diff --git a/spa/plugins/bluez5/media-sink.c b/spa/plugins/bluez5/media-sink.c
index 3a178f476..1e822f776 100644
--- a/spa/plugins/bluez5/media-sink.c
+++ b/spa/plugins/bluez5/media-sink.c
@@ -1479,12 +1479,12 @@ static void emit_node_info(struct impl *this, bool full)
 	char *node_group = NULL;
 
 	if (this->transport && (this->transport->profile & SPA_BT_PROFILE_BAP_SINK)) {
-		spa_scnprintf(node_group_buf, sizeof(node_group_buf), "bluez-iso-%s-cig-%d",
+		spa_scnprintf(node_group_buf, sizeof(node_group_buf), "[\"bluez-iso-%s-cig-%d\"]",
 				this->transport->device->adapter->address,
 				this->transport->bap_cig);
 		node_group = node_group_buf;
 	} else if (this->transport && (this->transport->profile & SPA_BT_PROFILE_BAP_BROADCAST_SINK)) {
-		spa_scnprintf(node_group_buf, sizeof(node_group_buf), "bluez-iso-%s-big-%d",
+		spa_scnprintf(node_group_buf, sizeof(node_group_buf), "[\"bluez-iso-%s-big-%d\"]",
 				this->transport->device->adapter->address,
 				this->transport->bap_big);
 		node_group = node_group_buf;